#1F8399#1F8399

#1F8399 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.5% C 0.092 H 216.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F8399
RGB	rgb(31, 131, 153)
HSL	hsl(191, 66%, 36%)
HSV	hsv(191, 80%, 60%)
CMYK	cmyk(79.7%, 14.4%, 0%, 40%)
CIE-LAB	lab(50.48, -19.82, -19.73)
CIE-LCH	lch(50.48, 27.96, 224.87°)
OKLab	oklab(56.52% -0.0742 -0.0551)
OKLCH	oklch(56.52% 0.092 216.6)
XYZ	xyz(14.4287, 18.8220, 33.0034)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8399 #99351F

analogous

#1F9972 #1F8399 #1F4699

triadic

#1F8399 #991F83 #83991F

tetradic

#1F8399 #721F99 #99351F #46991F

square

#1F8399 #721F99 #99351F #46991F

split-complementary

#1F8399 #991F46 #99721F

monochromatic

#0A2C33 #155766 #1F8399 #29AFCC #56C4DD

Accessibility & contrast

On white

4.41

#1F8399 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#1F8399 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8399

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8399	#FFFFFF	#000000	##000000
##1F8399	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747F9A

Deuteranopia (green-blind)

#647399

Tritanopia (blue-blind)

#008B8A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f8399;
/* rgb */ color: rgb(31, 131, 153);
/* oklch */ color: oklch(56.5% 0.092 216.6);

Tailwind

colors: {
  custom: {
    50: '#70a7b7',
    500: '#1f8399',
    950: '#000000',
  },
}

SCSS

$custom: #1f8399;
$custom-light: #70a7b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8399",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 153
  },
  "hsl": {
    "h": 190.82,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.56516,
    "c": 0.09242,
    "h": 216.6
  },
  "luminance": 0.18824
}

Semantic roles & 50–950 ramp

primary

#1F8399

secondary

#C06754

accent

#5D3FE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1F8399

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →